2568993 has 16 divisors (see below), whose sum is σ = 3972096. Its totient is φ = 1446480.

The previous prime is 2568983. The next prime is 2568997. The reversal of 2568993 is 3998652.

It is not a de Polignac number, because 2568993 - 2⁹ = 2568481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2568997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630 + ... + 2352.

It is an arithmetic number, because the mean of its divisors is an integer number (248256).

2^2568993 is an apocalyptic number.

It is an amenable number.

2568993 is a deficient number, since it is larger than the sum of its proper divisors (1403103).

2568993 is a wasteful number, since it uses less digits than its factorization.

2568993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804.

The product of its digits is 116640, while the sum is 42.

The square root of 2568993 is about 1602.8078487454. The cubic root of 2568993 is about 136.9580740872.

The spelling of 2568993 in words is "two million, five hundred sixty-eight thousand, nine hundred ninety-three".